Pith Number

pith:NSEBN3OU

pith:2021:NSEBN3OUP6YZURJCRMYGM5LCMS

not attested not anchored not stored refs pending

The nucleation fraction of Local Volume galaxies

Anil C. Seth, Iskren Y. Georgiev, Jenny E. Greene, Nadine Neumayer, Nils Hoyer

arxiv:2107.05313 v1 · 2021-07-12 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NSEBN3OUP6YZURJCRMYGM5LCMS}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T03:08:35.528187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c8816edd47fb19a45228b3066756264951ac90485576b5b663f4e5e7b85c37b

Aliases

arxiv: 2107.05313 · arxiv_version: 2107.05313v1 · doi: 10.48550/arxiv.2107.05313 · pith_short_12: NSEBN3OUP6YZ · pith_short_16: NSEBN3OUP6YZURJC · pith_short_8: NSEBN3OU

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NSEBN3OUP6YZURJCRMYGM5LCMS \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 6c8816edd47fb19a45228b3066756264951ac90485576b5b663f4e5e7b85c37b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71884142c330e777988678254fbd1d7955e6954b62ff7eb88855abec57cc1794",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-07-12T10:55:36Z",
    "title_canon_sha256": "af2f583b2dbf4fbd00350ac46b09438eaadfb38dd13e92a8b96c8356ae2170dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.05313",
    "kind": "arxiv",
    "version": 1
  }
}